Whats the best "new" Series 1 GTI Exhaust back box Post Posted 20 May 2006, 8:46 AM #656466 (In Topic #79146) Wez Settling In Whats the best "new" Series 1 GTI Exhaust back box Basicly as above i need a new back box for my 1.6 GTI as the one i have doesnt fit properly… Cheers!Wez 1966 - Split Screen Bus1980 - Series 1 GTI 1.62000 - MK4 GTI Turbo 0 guests and 0 members have just viewed this: None. Forum home Fuel Systems and Exhausts